英和辞典
  
swimmer
swímərスウィマ
名詞
泳ぐ人, 泳ぎ手
a good [poor] swimmer
a good [poor] swimmer
泳ぎの上手な[下手な]人
Bob is a very good swimmer. (=Bob swims very well.)
Bob is a very good swimmer. Bob swims very well.
ボブはとても泳ぎがうまい.